62 lines
1.3 KiB
Scala
62 lines
1.3 KiB
Scala
// See LICENSE.Berkeley for license details.
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package rocket
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package constants
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import Chisel._
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import scala.math._
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trait ScalarOpConstants {
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val MT_SZ = 3
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val MT_X = BitPat("b???")
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val MT_B = UInt("b000")
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val MT_H = UInt("b001")
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val MT_W = UInt("b010")
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val MT_D = UInt("b011")
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val MT_BU = UInt("b100")
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val MT_HU = UInt("b101")
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val MT_WU = UInt("b110")
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def mtSize(mt: UInt) = mt(MT_SZ-2, 0)
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def mtSigned(mt: UInt) = !mt(MT_SZ-1)
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val SZ_BR = 3
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val BR_X = BitPat("b???")
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val BR_EQ = UInt(0, 3)
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val BR_NE = UInt(1, 3)
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val BR_J = UInt(2, 3)
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val BR_N = UInt(3, 3)
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val BR_LT = UInt(4, 3)
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val BR_GE = UInt(5, 3)
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val BR_LTU = UInt(6, 3)
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val BR_GEU = UInt(7, 3)
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val A1_X = BitPat("b??")
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val A1_ZERO = UInt(0, 2)
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val A1_RS1 = UInt(1, 2)
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val A1_PC = UInt(2, 2)
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val IMM_X = BitPat("b???")
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val IMM_S = UInt(0, 3)
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val IMM_SB = UInt(1, 3)
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val IMM_U = UInt(2, 3)
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val IMM_UJ = UInt(3, 3)
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val IMM_I = UInt(4, 3)
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val IMM_Z = UInt(5, 3)
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val A2_X = BitPat("b??")
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val A2_ZERO = UInt(0, 2)
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val A2_SIZE = UInt(1, 2)
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val A2_RS2 = UInt(2, 2)
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val A2_IMM = UInt(3, 2)
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val X = BitPat("b?")
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val N = BitPat("b0")
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val Y = BitPat("b1")
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val SZ_DW = 1
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val DW_X = X
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val DW_32 = Bool(false)
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val DW_64 = Bool(true)
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val DW_XPR = DW_64
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}
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